Cogforge Behemoth

Indestructible (Damage and effects cannot destroy this creature.)

Clockwork Precision (Whenever you cast an artifact spell, put a +1/+1 counter on Cogforge Behemoth.)

{4}: Cogforge Behemoth deals X damage to any target, where X is the number of artifacts you control.

"Born of gears and steam as a testament to ingenuity and destruction."